Upper respiratory tract infection in children.
D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D010033:Otitis Media / Q000175:diagnosis; D010353:Patient Education as Topic; D011368:Professional-Family Relations; D012141:Respiratory Tract Infections / Q000175:diagnosis* / Q000628:therapy; D014068:Tonsillectomy